Hermann Knoflacher, a renowned Austrian civil engineer and professor, discusses the controversial analogy of cars as a virus. He critiques traditional urban planning, advocating for walkable spaces symbolized by his invention, the gehzeug. Knoflacher reflects on childhood transportation changes, emphasizing the loss of car-free environments and their environmental impact. He argues for policy shifts that prioritize pedestrians and cyclists and calls for innovative urban design post-pandemic to enhance public transport and reduce congestion.